diff --git a/modules/juce_audio_formats/codecs/juce_WindowsMediaAudioFormat.cpp b/modules/juce_audio_formats/codecs/juce_WindowsMediaAudioFormat.cpp
index 47db879ec9..6843aeb43a 100644
--- a/modules/juce_audio_formats/codecs/juce_WindowsMediaAudioFormat.cpp
+++ b/modules/juce_audio_formats/codecs/juce_WindowsMediaAudioFormat.cpp
@@ -140,7 +140,7 @@ public:
 
         if (wmCreateSyncReader != nullptr)
         {
-            CoInitialize (0);
+            checkCoInitialiseCalled();
 
             HRESULT hr = wmCreateSyncReader (nullptr, WMT_RIGHT_PLAYBACK, wmSyncReader.resetAndGetPointerAddress());
 
@@ -173,6 +173,8 @@ public:
         if (sampleRate <= 0)
             return false;
 
+        checkCoInitialiseCalled();
+
         if (startSampleInFile != currentPosition)
         {
             currentPosition = startSampleInFile;
@@ -252,6 +254,15 @@ private:
     MemoryBlock buffer;
     int bufferStart, bufferEnd;
 
+    void checkCoInitialiseCalled()
+    {
+        APTTYPE dummy1;
+        APTTYPEQUALIFIER dummy2;
+
+        if (CoGetApartmentType (&dummy1, &dummy2) == CO_E_NOTINITIALIZED)
+            CoInitialize (0);
+    }
+
     void scanFileForDetails()
     {
         ComSmartPtr<IWMHeaderInfo> wmHeaderInfo;
diff --git a/modules/juce_core/containers/juce_OwnedArray.h b/modules/juce_core/containers/juce_OwnedArray.h
index b5a0345d5c..e45bc7de31 100644
--- a/modules/juce_core/containers/juce_OwnedArray.h
+++ b/modules/juce_core/containers/juce_OwnedArray.h
@@ -475,35 +475,26 @@ public:
     int indexOfSorted (ElementComparator& comparator,
                        const ObjectClass* const objectToLookFor) const noexcept
     {
-        (void) comparator;  // if you pass in an object with a static compareElements() method, this
-                            // avoids getting warning messages about the parameter being unused
+        (void) comparator;
         const ScopedLockType lock (getLock());
+        int s = 0, e = numUsed;
 
-        int start = 0;
-        int end_ = numUsed;
-
-        for (;;)
+        while (s < e)
         {
-            if (start >= end_)
-            {
-                return -1;
-            }
-            else if (comparator.compareElements (objectToLookFor, data.elements [start]) == 0)
-            {
-                return start;
-            }
-            else
-            {
-                const int halfway = (start + end_) >> 1;
+            if (comparator.compareElements (objectToLookFor, data.elements [s]) == 0)
+                return s;
 
-                if (halfway == start)
-                    return -1;
-                else if (comparator.compareElements (objectToLookFor, data.elements [halfway]) >= 0)
-                    start = halfway;
-                else
-                    end_ = halfway;
-            }
+            const int halfway = (s + e) / 2;
+            if (halfway == s)
+                break;
+
+            if (comparator.compareElements (objectToLookFor, data.elements [halfway]) >= 0)
+                s = halfway;
+            else
+                e = halfway;
         }
+
+        return -1;
     }
 
     //==============================================================================
diff --git a/modules/juce_core/containers/juce_ReferenceCountedArray.h b/modules/juce_core/containers/juce_ReferenceCountedArray.h
index 95ace6643f..80e04cd463 100644
--- a/modules/juce_core/containers/juce_ReferenceCountedArray.h
+++ b/modules/juce_core/containers/juce_ReferenceCountedArray.h
@@ -471,6 +471,44 @@ public:
             insert (index, newObject);  // no match, so insert the new one
     }
 
+    /** Finds the index of an object in the array, assuming that the array is sorted.
+
+        This will use a comparator to do a binary-chop to find the index of the given
+        element, if it exists. If the array isn't sorted, the behaviour of this
+        method will be unpredictable.
+
+        @param comparator           the comparator to use to compare the elements - see the sort()
+                                    method for details about the form this object should take
+        @param objectToLookFor      the object to search for
+        @returns                    the index of the element, or -1 if it's not found
+        @see addSorted, sort
+    */
+    template <class ElementComparator>
+    int indexOfSorted (ElementComparator& comparator,
+                       const ObjectClass* const objectToLookFor) const noexcept
+    {
+        (void) comparator;
+        const ScopedLockType lock (getLock());
+        int s = 0, e = numUsed;
+
+        while (s < e)
+        {
+            if (comparator.compareElements (objectToLookFor, data.elements [s]) == 0)
+                return s;
+
+            const int halfway = (s + e) / 2;
+            if (halfway == s)
+                break;
+
+            if (comparator.compareElements (objectToLookFor, data.elements [halfway]) >= 0)
+                s = halfway;
+            else
+                e = halfway;
+        }
+
+        return -1;
+    }
+
     //==============================================================================
     /** Removes an object from the array.
 
diff --git a/modules/juce_gui_basics/application/juce_Application.h b/modules/juce_gui_basics/application/juce_Application.h
index e9ba4641e8..26165848ed 100644
--- a/modules/juce_gui_basics/application/juce_Application.h
+++ b/modules/juce_gui_basics/application/juce_Application.h
@@ -209,24 +209,24 @@ public:
 
     /** Returns true if this executable is running as an app (as opposed to being a plugin
         or other kind of shared library. */
-    static inline bool isStandaloneApp() noexcept                   { return createInstance != 0; }
+    static inline bool isStandaloneApp() noexcept                   { return createInstance != nullptr; }
 
     //==============================================================================
     /** @internal */
     ApplicationCommandTarget* getNextCommandTarget();
     /** @internal */
-    void getCommandInfo (CommandID commandID, ApplicationCommandInfo& result);
+    void getCommandInfo (CommandID, ApplicationCommandInfo&);
     /** @internal */
-    void getAllCommands (Array <CommandID>& commands);
+    void getAllCommands (Array <CommandID>&);
     /** @internal */
-    bool perform (const InvocationInfo& info);
+    bool perform (const InvocationInfo&);
 
     //==============================================================================
    #ifndef DOXYGEN
     // The following methods are internal calls - not for public use.
     static int main (const String& commandLine);
     static int main (int argc, const char* argv[]);
-    static void sendUnhandledException (const std::exception* e, const char* sourceFile, int lineNumber);
+    static void sendUnhandledException (const std::exception*, const char* sourceFile, int lineNumber);
     bool initialiseApp (const String& commandLine);
     int shutdownApp();
    #endif